NetBSD/sys/arch/pdp10/include/mcontext.h
2005-12-11 12:16:03 +00:00

83 lines
2.9 KiB
C

/* $NetBSD: mcontext.h,v 1.4 2005/12/11 12:18:34 christos Exp $ */
/*-
* Copyright (c) 2001 The NetBSD Foundation, Inc.
* All rights reserved.
*
* This code is derived from software contributed to The NetBSD Foundation
* by Klaus Klein.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by the NetBSD
* Foundation, Inc. and its contributors.
* 4. Neither the name of The NetBSD Foundation nor the names of its
* contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef _PDP10_MCONTEXT_H_
#define _PDP10_MCONTEXT_H_
/*
* Layout of mcontext_t.
* As on Alpha, this maps directly to `struct reg'.
*/
#define _NGREG 17 /* 0-17, PC */
typedef int __greg_t;
typedef __greg_t __gregset_t[_NGREG];
#define _REG_0 0
#define _REG_1 1
#define _REG_2 2
#define _REG_3 3
#define _REG_4 4
#define _REG_5 5
#define _REG_6 6
#define _REG_7 7
#define _REG_10 8
#define _REG_11 9
#define _REG_12 10
#define _REG_13 11
#define _REG_14 12
#define _REG_15 13
#define _REG_16 14
#define _REG_FP _REG_16
#define _REG_17 15
#define _REG_SP _REG_17
#define _REG_PC 16
typedef struct {
__gregset_t __gregs; /* General Purpose Register set */
} mcontext_t;
#define _UC_MACHINE_SP(uc) ((uc)->uc_mcontext.__gregs[_REG_SP])
#define _UC_MACHINE_PC(uc) ((uc)->uc_mcontext.__gregs[_REG_PC])
#define _UC_MACHINE_INTRV(uc) ((uc)->uc_mcontext.__gregs[_REG_1])
#define _UC_MACHINE_SET_PC(uc, pc) _UC_MACHINE_PC(uc) = (pc)
#endif /* !_PDP10_MCONTEXT_H_ */